<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>图像的宽高和边框属性</title>
</head>
<body>
<img src="tupian.png"  alt="少女插画"  border="2" />
<img src="tupian.png"  alt="少女插画"  width="100" />
<img src="tupian.png"  alt="少女插画"  width="50" height="100" />
</body>
</html>
